The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 13, 2004
Filed:
Mar. 13, 2002
Eiichi Kido, Nara, JP;
Toshiaki Ino, Nara, JP;
Takayuki Yamanaka, Nara, JP;
Toshio Yamanaka, Osaka, JP;
Hideaki Kadowaki, Kyoto, JP;
Mitsuyoshi Terada, Osaka, JP;
Kaori Fujii, Nara, JP;
Takashi Kitagawa, Nara, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
An optical electric charge removal device mountable on an image formation apparatus of an electrophotographic system for removing residual charges on a photosensitive member by light irradiation is provided. The optical electric charge removal device includes a point light source provided in the image formation apparatus; and an optical conductor, mountable on a process cartridge which is detachable from the image formation apparatus, for guiding light incident from the point light source to the photosensitive member.